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Finding the Fourth Proportional to 328,559.89, 492,765.51 and 150,896.11

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Solution

The fourth proportional to 328,559.89, 492,765.51 and 150,896.11 is: 226,310.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,559.89 : 492,765.51 = 150,896.11 : x
  2. Step 2: Convert to fraction form
    328,559.89/492,765.51 = 150,896.11/x
  3. Step 3: Cross multiply
    328,559.89x = 492,765.51 × 150,896.11
  4. Step 4: Simplify right side
    328,559.89x = 74,356,398,601.17
  5. Step 5: Solve for x
    x = 74,356,398,601.17/328,559.89
  6. Step 6: Final answer
    x = 226,310.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.